<template>
  <div>
    <city-header></city-header>
    <city-search :cities="cities"></city-search>
    <city-list :cities="cities" :letter="letter" :hot="hotCities"></city-list>
    <city-alphabet :cities="cities" @change="handleLetterChange"></city-alphabet>
  </div>
</template>

<script>
  import axios from 'axios'
  import CityHeader from "./components/Header";
  import CitySearch from "./components/Search";
  import CityList from "./components/List";
  import CityAlphabet from "./components/Alphabet";

  export default {
    name: "City",
    components: {
      'city-header': CityHeader,
      'city-search': CitySearch,
      'city-list': CityList,
      'city-alphabet': CityAlphabet,
    },
    comments: {},
    methods: {
      getCityInfo: function () {
        axios.get('/api/city.json').then(this.handleGetCityInfoSuccess)
      },
      handleGetCityInfoSuccess(res) {
        res = res.data
        if (res.ret && res.data) {
          const data = res.data
          this.cities = data.cities
          this.hotCities = data.hotCities
        }
      },
      handleLetterChange:function (letter) {
        this.letter = letter
      }
    },
    data: function () {
      return {
        cities: {},
        hotCities: [],
        letter:'',
      }
    },
    mounted: function () {
      this.getCityInfo()
    }
  }
</script>

<style lang="stylus" scoped>

</style>
